./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i --full-output --architecture 64bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0e0057cc Calling Ultimate with: /usr/lib/jvm/java-1.11.0-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/data/config -Xmx15G -Xms4m -jar /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/data -tc /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/config/TaipanReach.xml -i ../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i -s /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91 --witnessprinter.witness.filename witness --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(reach_error())) ) --witnessprinter.graph.data.producer Taipan --witnessprinter.graph.data.architecture 64bit --witnessprinter.graph.data.programhash 3c7180be0629e9a0656fd9fc52d5b3ae804deb1e2c1641d5e88fc72d6eeae4e4 --- Real Ultimate output --- This is Ultimate 0.2.4-dev-0e0057c [2023-11-24 23:20:53,395 INFO L188 SettingsManager]: Resetting all preferences to default values... [2023-11-24 23:20:53,527 INFO L114 SettingsManager]: Loading settings from /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/config/svcomp-Reach-64bit-Taipan_Default.epf [2023-11-24 23:20:53,542 WARN L101 SettingsManager]: Preference file contains the following unknown settings: [2023-11-24 23:20:53,544 WARN L103 SettingsManager]: * de.uni_freiburg.informatik.ultimate.core.Log level for class [2023-11-24 23:20:53,592 INFO L130 SettingsManager]: Preferences different from defaults after loading the file: [2023-11-24 23:20:53,593 INFO L151 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2023-11-24 23:20:53,593 INFO L153 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2023-11-24 23:20:53,595 INFO L151 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2023-11-24 23:20:53,600 INFO L153 SettingsManager]: * Ignore calls to procedures called more than once=ONLY_FOR_SEQUENTIAL_PROGRAMS [2023-11-24 23:20:53,601 INFO L153 SettingsManager]: * User list type=DISABLED [2023-11-24 23:20:53,602 INFO L151 SettingsManager]: Preferences of Abstract Interpretation differ from their defaults: [2023-11-24 23:20:53,603 INFO L153 SettingsManager]: * Explicit value domain=true [2023-11-24 23:20:53,605 INFO L153 SettingsManager]: * Abstract domain for RCFG-of-the-future=PoormanAbstractDomain [2023-11-24 23:20:53,605 INFO L153 SettingsManager]: * Octagon Domain=false [2023-11-24 23:20:53,606 INFO L153 SettingsManager]: * Abstract domain=CompoundDomain [2023-11-24 23:20:53,606 INFO L153 SettingsManager]: * Check feasibility of abstract posts with an SMT solver=true [2023-11-24 23:20:53,607 INFO L153 SettingsManager]: * Use the RCFG-of-the-future interface=true [2023-11-24 23:20:53,607 INFO L153 SettingsManager]: * Interval Domain=false [2023-11-24 23:20:53,608 INFO L151 SettingsManager]: Preferences of Sifa differ from their defaults: [2023-11-24 23:20:53,609 INFO L153 SettingsManager]: * Call Summarizer=TopInputCallSummarizer [2023-11-24 23:20:53,609 INFO L153 SettingsManager]: * Simplification Technique=POLY_PAC [2023-11-24 23:20:53,611 INFO L151 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2023-11-24 23:20:53,611 INFO L153 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2023-11-24 23:20:53,612 INFO L153 SettingsManager]: * Overapproximate operations on floating types=true [2023-11-24 23:20:53,612 INFO L153 SettingsManager]: * Check division by zero=IGNORE [2023-11-24 23:20:53,613 INFO L153 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2023-11-24 23:20:53,613 INFO L153 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2023-11-24 23:20:53,614 INFO L153 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2023-11-24 23:20:53,614 INFO L153 SettingsManager]: * Check if freed pointer was valid=false [2023-11-24 23:20:53,616 INFO L153 SettingsManager]: * Use constant arrays=true [2023-11-24 23:20:53,616 INFO L151 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2023-11-24 23:20:53,617 INFO L153 SettingsManager]: * Only consider context switches at boundaries of atomic blocks=true [2023-11-24 23:20:53,617 INFO L153 SettingsManager]: * SMT solver=External_DefaultMode [2023-11-24 23:20:53,617 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:20:53,618 INFO L151 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2023-11-24 23:20:53,618 INFO L153 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2023-11-24 23:20:53,618 INFO L153 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopHeads [2023-11-24 23:20:53,619 INFO L153 SettingsManager]: * Trace refinement strategy=SIFA_TAIPAN [2023-11-24 23:20:53,619 INFO L153 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2023-11-24 23:20:53,619 INFO L153 SettingsManager]: * Apply one-shot large block encoding in concurrent analysis=false [2023-11-24 23:20:53,620 INFO L153 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2023-11-24 23:20:53,620 INFO L153 SettingsManager]: * Trace refinement exception blacklist=NONE [2023-11-24 23:20:53,620 INFO L153 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2023-11-24 23:20:53,621 INFO L153 SettingsManager]: * Abstract interpretation Mode=USE_PREDICATES WARNING: An illegal reflective access operation has occurred WARNING: Illegal reflective access by com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 (file:/tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/plugins/com.sun.xml.bind_2.2.0.v201505121915.jar) to method java.lang.ClassLoader.defineClass(java.lang.String,byte[],int,int) WARNING: Please consider reporting this to the maintainers of com.sun.xml.bind.v2.runtime.reflect.opt.Injector$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91 Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Taipan Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 64bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 3c7180be0629e9a0656fd9fc52d5b3ae804deb1e2c1641d5e88fc72d6eeae4e4 [2023-11-24 23:20:53,929 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2023-11-24 23:20:53,964 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2023-11-24 23:20:53,967 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2023-11-24 23:20:53,969 INFO L270 PluginConnector]: Initializing CDTParser... [2023-11-24 23:20:53,970 INFO L274 PluginConnector]: CDTParser initialized [2023-11-24 23:20:53,972 INFO L431 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/../../sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2023-11-24 23:20:57,044 INFO L533 CDTParser]: Created temporary CDT project at NULL [2023-11-24 23:20:57,816 INFO L384 CDTParser]: Found 1 translation units. [2023-11-24 23:20:57,817 INFO L180 CDTParser]: Scanning /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2023-11-24 23:20:57,900 INFO L427 CDTParser]: About to delete temporary CDT project at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/data/d080fae36/ea898889e55d44bc9fb1ec4c3b7a410a/FLAGcad34fd2d [2023-11-24 23:20:57,920 INFO L435 CDTParser]: Successfully deleted /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/data/d080fae36/ea898889e55d44bc9fb1ec4c3b7a410a [2023-11-24 23:20:57,926 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2023-11-24 23:20:57,929 INFO L133 ToolchainWalker]: Walking toolchain with 6 elements. [2023-11-24 23:20:57,932 INFO L112 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2023-11-24 23:20:57,932 INFO L270 PluginConnector]: Initializing CACSL2BoogieTranslator... [2023-11-24 23:20:57,938 INFO L274 PluginConnector]: CACSL2BoogieTranslator initialized [2023-11-24 23:20:57,939 INFO L184 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:57" (1/1) ... [2023-11-24 23:20:57,941 INFO L204 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@482e5b15 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:20:57, skipping insertion in model container [2023-11-24 23:20:57,941 INFO L184 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 24.11 11:20:57" (1/1) ... [2023-11-24 23:20:58,125 INFO L177 MainTranslator]: Built tables and reachable declarations [2023-11-24 23:21:00,729 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i[346956,346969] [2023-11-24 23:21:00,903 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:00,979 INFO L202 MainTranslator]: Completed pre-run [2023-11-24 23:21:01,163 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; bts %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4858] [2023-11-24 23:21:01,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %1,%0": "+m" (*((long volatile *)addr)): "Ir" (nr)); [4865] [2023-11-24 23:21:01,165 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile (".pushsection .smp_locks,\"a\"\n.balign 4\n.long 671f - .\n.popsection\n671:\n\tlock; btr %2,%1\n\tsbb %0,%0": "=r" (oldbit), "+m" (*((long volatile *)addr)): "Ir" (nr): "memory"); [4872-4873] [2023-11-24 23:21:01,168 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (825), "i" (12UL)); [4914-4915] [2023-11-24 23:21:01,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (45UL), [paravirt_opptr] "i" (& pv_irq_ops.save_fl.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4920-4922] [2023-11-24 23:21:01,169 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (830), "i" (12UL)); [4943-4944] [2023-11-24 23:21:01,170 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (46UL), [paravirt_opptr] "i" (& pv_irq_ops.restore_fl.func), [paravirt_clobber] "i" (1), "D" (f): "memory", "cc"); [4949-4951] [2023-11-24 23:21:01,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/inst/current/envs/linux-3.8-rc1/linux-3.8-rc1/arch/x86/include/asm/paravirt.h"), "i" (835), "i" (12UL)); [4971-4972] [2023-11-24 23:21:01,171 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("771:\n\tcall *%c2;\n772:\n.pushsection .parainstructions,\"a\"\n .balign 8 \n .quad 771b\n .byte %c1\n .byte 772b-771b\n .short %c3\n.popsection\n": "=a" (__eax): [paravirt_typenum] "i" (47UL), [paravirt_opptr] "i" (& pv_irq_ops.irq_disable.func), [paravirt_clobber] "i" (1): "memory", "cc"); [4977-4979] [2023-11-24 23:21:01,185 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (19), "i" (12UL)); [5247-5248] [2023-11-24 23:21:01,197 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (36), "i" (12UL)); [5275-5276] [2023-11-24 23:21:01,198 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (103), "i" (12UL)); [5304-5305] [2023-11-24 23:21:01,199 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"include/asm-generic/dma-mapping-common.h"), "i" (115), "i" (12UL)); [5333-5334] [2023-11-24 23:21:01,579 WARN L75 lationResultReporter]: Unsoundness Warning: Ignoring inline assembler instruction C: __asm__ volatile ("1:\tud2\n.pushsection __bug_table,\"a\"\n2:\t.long 1b - 2b, %c0 - 2b\n\t.word %c1, 0\n\t.org 2b+%c2\n.popsection": : "i" ((char *)"/work/ldvuser/zakharov_benchmarks/bench/cpa/work/current--X--drivers/net/ethernet/3com/3c59x.ko--X--x1linux-3.8-rc1--X--32_7a--X--cpachecker/linux-3.8-rc1/csd_deg_dscv/12/dscv_tempdir/dscv/ri/32_7a/drivers/net/ethernet/3com/3c59x.c.prepared"), "i" (3272), "i" (12UL)); [10152-10153] [2023-11-24 23:21:01,608 WARN L240 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/sv-benchmarks/c/ldv-consumption/32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i[346956,346969] [2023-11-24 23:21:01,631 INFO L209 PostProcessor]: Analyzing one entry point: main [2023-11-24 23:21:01,952 INFO L206 MainTranslator]: Completed translation [2023-11-24 23:21:01,953 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01 WrapperNode [2023-11-24 23:21:01,953 INFO L131 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2023-11-24 23:21:01,955 INFO L112 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:01,955 INFO L270 PluginConnector]: Initializing Boogie Procedure Inliner... [2023-11-24 23:21:01,955 INFO L274 PluginConnector]: Boogie Procedure Inliner initialized [2023-11-24 23:21:01,963 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01" (1/1) ... [2023-11-24 23:21:02,085 INFO L184 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01" (1/1) ... [2023-11-24 23:21:02,401 INFO L138 Inliner]: procedures = 308, calls = 3915, calls flagged for inlining = 137, calls inlined = 126, statements flattened = 7754 [2023-11-24 23:21:02,402 INFO L131 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2023-11-24 23:21:02,403 INFO L112 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2023-11-24 23:21:02,403 INFO L270 PluginConnector]: Initializing Boogie Preprocessor... [2023-11-24 23:21:02,403 INFO L274 PluginConnector]: Boogie Preprocessor initialized [2023-11-24 23:21:02,414 INFO L184 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01" (1/1) ... [2023-11-24 23:21:02,415 INFO L184 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01" (1/1) ... [2023-11-24 23:21:02,507 INFO L184 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01" (1/1) ... [2023-11-24 23:21:02,507 INFO L184 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01" (1/1) ... [2023-11-24 23:21:02,675 INFO L184 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01" (1/1) ... [2023-11-24 23:21:02,715 INFO L184 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01" (1/1) ... [2023-11-24 23:21:02,758 INFO L184 PluginConnector]: Executing the observer LTLStepAnnotator from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01" (1/1) ... [2023-11-24 23:21:02,791 INFO L184 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01" (1/1) ... [2023-11-24 23:21:02,939 INFO L131 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2023-11-24 23:21:02,940 INFO L112 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2023-11-24 23:21:02,940 INFO L270 PluginConnector]: Initializing RCFGBuilder... [2023-11-24 23:21:02,941 INFO L274 PluginConnector]: RCFGBuilder initialized [2023-11-24 23:21:02,941 INFO L184 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01" (1/1) ... [2023-11-24 23:21:02,947 INFO L173 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2023-11-24 23:21:02,958 INFO L189 MonitoredProcess]: No working directory specified, using /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/z3 [2023-11-24 23:21:02,974 INFO L229 MonitoredProcess]: Starting monitored process 1 with /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2023-11-24 23:21:03,001 INFO L327 MonitoredProcess]: [MP /tmp/vcloud_worker_vcloud-master_on_vcloud-master/run_dir_aff65946-2f78-4fab-8b55-0cc906e82b90/bin/utaipan-verify-SwPr7d2a91/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2023-11-24 23:21:03,019 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_probe1 [2023-11-24 23:21:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_probe1 [2023-11-24 23:21:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~$Pointer$ [2023-11-24 23:21:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~$Pointer$ [2023-11-24 23:21:03,020 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_alloc_skb [2023-11-24 23:21:03,020 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_alloc_skb [2023-11-24 23:21:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_device_present [2023-11-24 23:21:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_device_present [2023-11-24 23:21:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure netif_wake_queue [2023-11-24 23:21:03,021 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_wake_queue [2023-11-24 23:21:03,021 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_malloc [2023-11-24 23:21:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_malloc [2023-11-24 23:21:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure free_irq [2023-11-24 23:21:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure free_irq [2023-11-24 23:21:03,022 INFO L130 BoogieDeclarations]: Found specification of procedure set_8021q_mode [2023-11-24 23:21:03,022 INFO L138 BoogieDeclarations]: Found implementation of procedure set_8021q_mode [2023-11-24 23:21:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_on [2023-11-24 23:21:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_on [2023-11-24 23:21:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_restore [2023-11-24 23:21:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_restore [2023-11-24 23:21:03,023 INFO L130 BoogieDeclarations]: Found specification of procedure ldv_error [2023-11-24 23:21:03,023 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv_error [2023-11-24 23:21:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure issue_and_wait [2023-11-24 23:21:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure issue_and_wait [2023-11-24 23:21:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure pci_map_single [2023-11-24 23:21:03,024 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_map_single [2023-11-24 23:21:03,024 INFO L130 BoogieDeclarations]: Found specification of procedure valid_dma_direction [2023-11-24 23:21:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure valid_dma_direction [2023-11-24 23:21:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite16 [2023-11-24 23:21:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite16 [2023-11-24 23:21:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite8 [2023-11-24 23:21:03,025 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite8 [2023-11-24 23:21:03,025 INFO L130 BoogieDeclarations]: Found specification of procedure window_write32 [2023-11-24 23:21:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write32 [2023-11-24 23:21:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32 [2023-11-24 23:21:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32 [2023-11-24 23:21:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure netif_stop_queue [2023-11-24 23:21:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_stop_queue [2023-11-24 23:21:03,026 INFO L130 BoogieDeclarations]: Found specification of procedure pci_name [2023-11-24 23:21:03,026 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_name [2023-11-24 23:21:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure spinlock_check [2023-11-24 23:21:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure spinlock_check [2023-11-24 23:21:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure consume_skb [2023-11-24 23:21:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure consume_skb [2023-11-24 23:21:03,027 INFO L130 BoogieDeclarations]: Found specification of procedure netif_start_queue [2023-11-24 23:21:03,027 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_start_queue [2023-11-24 23:21:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2023-11-24 23:21:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure trace_hardirqs_off [2023-11-24 23:21:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure trace_hardirqs_off [2023-11-24 23:21:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure window_set [2023-11-24 23:21:03,028 INFO L138 BoogieDeclarations]: Found implementation of procedure window_set [2023-11-24 23:21:03,028 INFO L130 BoogieDeclarations]: Found specification of procedure netif_running [2023-11-24 23:21:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_running [2023-11-24 23:21:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure eth_mac_addr [2023-11-24 23:21:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_mac_addr [2023-11-24 23:21:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure read~$Pointer$ [2023-11-24 23:21:03,029 INFO L130 BoogieDeclarations]: Found specification of procedure pci_get_drvdata [2023-11-24 23:21:03,029 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_get_drvdata [2023-11-24 23:21:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure strlcpy [2023-11-24 23:21:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure strlcpy [2023-11-24 23:21:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure iowrite32 [2023-11-24 23:21:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure iowrite32 [2023-11-24 23:21:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure skb_end_pointer [2023-11-24 23:21:03,030 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_end_pointer [2023-11-24 23:21:03,030 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_suspend [2023-11-24 23:21:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_suspend [2023-11-24 23:21:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_interrupt [2023-11-24 23:21:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_interrupt [2023-11-24 23:21:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure eth_validate_addr [2023-11-24 23:21:03,031 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_validate_addr [2023-11-24 23:21:03,031 INFO L130 BoogieDeclarations]: Found specification of procedure netif_rx [2023-11-24 23:21:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_rx [2023-11-24 23:21:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure arch_irqs_disabled_flags [2023-11-24 23:21:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_irqs_disabled_flags [2023-11-24 23:21:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irqrestore [2023-11-24 23:21:03,032 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irqrestore [2023-11-24 23:21:03,032 INFO L130 BoogieDeclarations]: Found specification of procedure pci_unmap_single [2023-11-24 23:21:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_unmap_single [2023-11-24 23:21:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2023-11-24 23:21:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure dev_set_drvdata [2023-11-24 23:21:03,033 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_set_drvdata [2023-11-24 23:21:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~$Pointer$ [2023-11-24 23:21:03,033 INFO L130 BoogieDeclarations]: Found specification of procedure printk [2023-11-24 23:21:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure printk [2023-11-24 23:21:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure _raw_spin_lock_irqsave [2023-11-24 23:21:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure _raw_spin_lock_irqsave [2023-11-24 23:21:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure eth_change_mtu [2023-11-24 23:21:03,034 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_change_mtu [2023-11-24 23:21:03,034 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_priv [2023-11-24 23:21:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_priv [2023-11-24 23:21:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure netdev_get_tx_queue [2023-11-24 23:21:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure netdev_get_tx_queue [2023-11-24 23:21:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock [2023-11-24 23:21:03,035 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock [2023-11-24 23:21:03,035 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_bh [2023-11-24 23:21:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_bh [2023-11-24 23:21:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure read~unchecked~int [2023-11-24 23:21:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_ioctl [2023-11-24 23:21:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_ioctl [2023-11-24 23:21:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure dev_kfree_skb_irq [2023-11-24 23:21:03,036 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_kfree_skb_irq [2023-11-24 23:21:03,036 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_tx_timeout [2023-11-24 23:21:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_tx_timeout [2023-11-24 23:21:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure pci_save_state [2023-11-24 23:21:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_save_state [2023-11-24 23:21:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_sync [2023-11-24 23:21:03,037 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_sync [2023-11-24 23:21:03,037 INFO L130 BoogieDeclarations]: Found specification of procedure ioport_map [2023-11-24 23:21:03,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ioport_map [2023-11-24 23:21:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure get_dma_ops [2023-11-24 23:21:03,038 INFO L138 BoogieDeclarations]: Found implementation of procedure get_dma_ops [2023-11-24 23:21:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure __raw_spin_lock_init [2023-11-24 23:21:03,038 INFO L138 BoogieDeclarations]: Found implementation of procedure __raw_spin_lock_init [2023-11-24 23:21:03,038 INFO L130 BoogieDeclarations]: Found specification of procedure write~unchecked~int [2023-11-24 23:21:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_resume [2023-11-24 23:21:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_resume [2023-11-24 23:21:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure pci_restore_state [2023-11-24 23:21:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_restore_state [2023-11-24 23:21:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure skb_reserve [2023-11-24 23:21:03,039 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_reserve [2023-11-24 23:21:03,039 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_rx [2023-11-24 23:21:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_rx [2023-11-24 23:21:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure read~int [2023-11-24 23:21:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_interrupt [2023-11-24 23:21:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_interrupt [2023-11-24 23:21:03,040 INFO L130 BoogieDeclarations]: Found specification of procedure set_rx_mode [2023-11-24 23:21:03,040 INFO L138 BoogieDeclarations]: Found implementation of procedure set_rx_mode [2023-11-24 23:21:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure netif_tx_start_queue [2023-11-24 23:21:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure netif_tx_start_queue [2023-11-24 23:21:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure free_netdev [2023-11-24 23:21:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure free_netdev [2023-11-24 23:21:03,041 INFO L130 BoogieDeclarations]: Found specification of procedure __phys_addr [2023-11-24 23:21:03,041 INFO L138 BoogieDeclarations]: Found implementation of procedure __phys_addr [2023-11-24 23:21:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure del_timer_sync [2023-11-24 23:21:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure del_timer_sync [2023-11-24 23:21:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.C_memcpy [2023-11-24 23:21:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure #Ultimate.C_memcpy [2023-11-24 23:21:03,042 INFO L130 BoogieDeclarations]: Found specification of procedure constant_test_bit [2023-11-24 23:21:03,042 INFO L138 BoogieDeclarations]: Found implementation of procedure constant_test_bit [2023-11-24 23:21:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_set_duplex [2023-11-24 23:21:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_set_duplex [2023-11-24 23:21:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_delay [2023-11-24 23:21:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_delay [2023-11-24 23:21:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_get_stats [2023-11-24 23:21:03,043 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_get_stats [2023-11-24 23:21:03,043 INFO L130 BoogieDeclarations]: Found specification of procedure __release_region [2023-11-24 23:21:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __release_region [2023-11-24 23:21:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iomap [2023-11-24 23:21:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iomap [2023-11-24 23:21:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure __netdev_alloc_skb [2023-11-24 23:21:03,044 INFO L138 BoogieDeclarations]: Found implementation of procedure __netdev_alloc_skb [2023-11-24 23:21:03,044 INFO L130 BoogieDeclarations]: Found specification of procedure pci_free_consistent [2023-11-24 23:21:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_free_consistent [2023-11-24 23:21:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2023-11-24 23:21:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_error [2023-11-24 23:21:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_error [2023-11-24 23:21:03,045 INFO L130 BoogieDeclarations]: Found specification of procedure pci_disable_device [2023-11-24 23:21:03,045 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_disable_device [2023-11-24 23:21:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure __dynamic_pr_debug [2023-11-24 23:21:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure __dynamic_pr_debug [2023-11-24 23:21:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_down [2023-11-24 23:21:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_down [2023-11-24 23:21:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure eth_type_trans [2023-11-24 23:21:03,046 INFO L138 BoogieDeclarations]: Found implementation of procedure eth_type_trans [2023-11-24 23:21:03,046 INFO L130 BoogieDeclarations]: Found specification of procedure spin_unlock_irq [2023-11-24 23:21:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_unlock_irq [2023-11-24 23:21:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure ldv__builtin_expect [2023-11-24 23:21:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure ldv__builtin_expect [2023-11-24 23:21:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_close [2023-11-24 23:21:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_close [2023-11-24 23:21:03,047 INFO L130 BoogieDeclarations]: Found specification of procedure window_write8 [2023-11-24 23:21:03,047 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write8 [2023-11-24 23:21:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure window_read32 [2023-11-24 23:21:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read32 [2023-11-24 23:21:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnHeap [2023-11-24 23:21:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_irq_save [2023-11-24 23:21:03,048 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_irq_save [2023-11-24 23:21:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocInit [2023-11-24 23:21:03,048 INFO L130 BoogieDeclarations]: Found specification of procedure ioread32_rep [2023-11-24 23:21:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread32_rep [2023-11-24 23:21:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure pci_enable_device [2023-11-24 23:21:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_enable_device [2023-11-24 23:21:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure __const_udelay [2023-11-24 23:21:03,049 INFO L138 BoogieDeclarations]: Found implementation of procedure __const_udelay [2023-11-24 23:21:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure write~$Pointer$ [2023-11-24 23:21:03,049 INFO L130 BoogieDeclarations]: Found specification of procedure ioread16 [2023-11-24 23:21:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread16 [2023-11-24 23:21:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure skb_headlen [2023-11-24 23:21:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_headlen [2023-11-24 23:21:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_irq [2023-11-24 23:21:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_irq [2023-11-24 23:21:03,050 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_up [2023-11-24 23:21:03,050 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_up [2023-11-24 23:21:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure acpi_set_WOL [2023-11-24 23:21:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure acpi_set_WOL [2023-11-24 23:21:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure mod_timer [2023-11-24 23:21:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure mod_timer [2023-11-24 23:21:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure window_read16 [2023-11-24 23:21:03,051 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read16 [2023-11-24 23:21:03,051 INFO L130 BoogieDeclarations]: Found specification of procedure window_write16 [2023-11-24 23:21:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure window_write16 [2023-11-24 23:21:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure ioread8 [2023-11-24 23:21:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ioread8 [2023-11-24 23:21:03,052 INFO L130 BoogieDeclarations]: Found specification of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:21:03,052 INFO L138 BoogieDeclarations]: Found implementation of procedure ##fun~$Pointer$~X~~dma_addr_t~0~X~int~X~int~TO~VOID [2023-11-24 23:21:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure window_read8 [2023-11-24 23:21:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure window_read8 [2023-11-24 23:21:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure init_timer_key [2023-11-24 23:21:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure init_timer_key [2023-11-24 23:21:03,053 INFO L130 BoogieDeclarations]: Found specification of procedure pci_iounmap [2023-11-24 23:21:03,053 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_iounmap [2023-11-24 23:21:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure update_stats [2023-11-24 23:21:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure update_stats [2023-11-24 23:21:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure pci_set_power_state [2023-11-24 23:21:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure pci_set_power_state [2023-11-24 23:21:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure warn_slowpath_null [2023-11-24 23:21:03,054 INFO L138 BoogieDeclarations]: Found implementation of procedure warn_slowpath_null [2023-11-24 23:21:03,054 INFO L130 BoogieDeclarations]: Found specification of procedure skb_put [2023-11-24 23:21:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_put [2023-11-24 23:21:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure poll_vortex [2023-11-24 23:21:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure poll_vortex [2023-11-24 23:21:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure skb_frag_size [2023-11-24 23:21:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure skb_frag_size [2023-11-24 23:21:03,055 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock [2023-11-24 23:21:03,055 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock [2023-11-24 23:21:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_check_media [2023-11-24 23:21:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_check_media [2023-11-24 23:21:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure dev_name [2023-11-24 23:21:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure dev_name [2023-11-24 23:21:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure boomerang_rx [2023-11-24 23:21:03,056 INFO L138 BoogieDeclarations]: Found implementation of procedure boomerang_rx [2023-11-24 23:21:03,056 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2023-11-24 23:21:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure arch_local_save_flags [2023-11-24 23:21:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure arch_local_save_flags [2023-11-24 23:21:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure unregister_netdev [2023-11-24 23:21:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure unregister_netdev [2023-11-24 23:21:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure vortex_open [2023-11-24 23:21:03,057 INFO L138 BoogieDeclarations]: Found implementation of procedure vortex_open [2023-11-24 23:21:03,057 INFO L130 BoogieDeclarations]: Found specification of procedure dump_tx_ring [2023-11-24 23:21:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure dump_tx_ring [2023-11-24 23:21:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure mdio_read [2023-11-24 23:21:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure mdio_read [2023-11-24 23:21:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2023-11-24 23:21:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2023-11-24 23:21:03,058 INFO L130 BoogieDeclarations]: Found specification of procedure spin_lock_bh [2023-11-24 23:21:03,058 INFO L138 BoogieDeclarations]: Found implementation of procedure spin_lock_bh [2023-11-24 23:21:04,004 INFO L241 CfgBuilder]: Building ICFG [2023-11-24 23:21:04,009 INFO L267 CfgBuilder]: Building CFG for each procedure with an implementation [2023-11-24 23:21:13,266 INFO L282 CfgBuilder]: Performing block encoding [2023-11-24 23:21:19,632 INFO L304 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2023-11-24 23:21:19,632 INFO L309 CfgBuilder]: Removed 3 assume(true) statements. [2023-11-24 23:21:19,635 INFO L201 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:19 BoogieIcfgContainer [2023-11-24 23:21:19,635 INFO L131 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2023-11-24 23:21:19,638 INFO L112 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2023-11-24 23:21:19,639 INFO L270 PluginConnector]: Initializing TraceAbstraction... [2023-11-24 23:21:19,642 INFO L274 PluginConnector]: TraceAbstraction initialized [2023-11-24 23:21:19,642 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 24.11 11:20:57" (1/3) ... [2023-11-24 23:21:19,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e2b72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:21:19, skipping insertion in model container [2023-11-24 23:21:19,643 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 24.11 11:21:01" (2/3) ... [2023-11-24 23:21:19,643 INFO L204 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@13e2b72e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 24.11 11:21:19, skipping insertion in model container [2023-11-24 23:21:19,644 INFO L184 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 24.11 11:21:19" (3/3) ... [2023-11-24 23:21:19,650 INFO L112 eAbstractionObserver]: Analyzing ICFG 32_7a_cilled_linux-3.8-rc1-drivers--net--ethernet--3com--3c59x.ko-main.cil.out.i [2023-11-24 23:21:19,673 INFO L203 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2023-11-24 23:21:19,674 INFO L162 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2023-11-24 23:21:19,797 INFO L356 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2023-11-24 23:21:19,806 INFO L357 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mAutomataTypeConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopHeads, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mPorIndependenceSettings=[Lde.uni_freiburg.informatik.ultimate.lib.tracecheckerutils.partialorder.independence.IndependenceSettings;@59b5b03c, mLbeIndependenceSettings=[IndependenceType=SEMANTIC, AbstractionType=NONE, UseConditional=false, UseSemiCommutativity=true, Solver=Z3, SolverTimeout=1000ms] [2023-11-24 23:21:19,806 INFO L358 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2023-11-24 23:21:19,821 INFO L276 IsEmpty]: Start isEmpty. Operand has 2069 states, 1262 states have (on average 1.3541996830427891) internal successors, (1709), 1322 states have internal predecessors, (1709), 690 states have call successors, (690), 115 states have call predecessors, (690), 115 states have return successors, (690), 679 states have call predecessors, (690), 690 states have call successors, (690) [2023-11-24 23:21:19,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2023-11-24 23:21:19,843 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:19,844 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:19,849 INFO L420 AbstractCegarLoop]: === Iteration 1 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:19,856 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:19,856 INFO L85 PathProgramCache]: Analyzing trace with hash 1026664543, now seen corresponding path program 1 times [2023-11-24 23:21:19,867 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:21:19,867 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [998178128] [2023-11-24 23:21:19,867 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:19,868 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:21:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:21,264 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:21:21,264 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:21:21,265 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [998178128] [2023-11-24 23:21:21,265 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [998178128] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:21,266 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:21,266 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:21:21,268 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [212731254] [2023-11-24 23:21:21,270 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:21,277 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:21:21,278 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:21:21,321 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:21:21,322 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:21:21,333 INFO L87 Difference]: Start difference. First operand has 2069 states, 1262 states have (on average 1.3541996830427891) internal successors, (1709), 1322 states have internal predecessors, (1709), 690 states have call successors, (690), 115 states have call predecessors, (690), 115 states have return successors, (690), 679 states have call predecessors, (690), 690 states have call successors, (690) Second operand has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:25,039 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:28,031 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:30,283 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:32,290 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 2.01s for a HTC check with result UNKNOWN. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:33,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:33,272 INFO L93 Difference]: Finished difference Result 6169 states and 9214 transitions. [2023-11-24 23:21:33,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:21:33,275 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 14 [2023-11-24 23:21:33,276 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:33,364 INFO L225 Difference]: With dead ends: 6169 [2023-11-24 23:21:33,364 INFO L226 Difference]: Without dead ends: 4079 [2023-11-24 23:21:33,394 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:21:33,399 INFO L413 NwaCegarLoop]: 2818 mSDtfsCounter, 3036 mSDsluCounter, 2749 mSDsCounter, 0 mSdLazyCounter, 655 mSolverCounterSat, 3 mSolverCounterUnsat, 4 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 11.0s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3036 SdHoareTripleChecker+Valid, 5567 SdHoareTripleChecker+Invalid, 662 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.1s SdHoareTripleChecker+Time, 3 IncrementalHoareTripleChecker+Valid, 655 IncrementalHoareTripleChecker+Invalid, 4 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 11.4s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:33,401 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3036 Valid, 5567 Invalid, 662 Unknown, 0 Unchecked, 0.1s Time], IncrementalHoareTripleChecker [3 Valid, 655 Invalid, 4 Unknown, 0 Unchecked, 11.4s Time] [2023-11-24 23:21:33,433 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4079 states. [2023-11-24 23:21:33,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4079 to 4079. [2023-11-24 23:21:33,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4079 states, 2483 states have (on average 1.3483689085783326) internal successors, (3348), 2597 states have internal predecessors, (3348), 1367 states have call successors, (1367), 229 states have call predecessors, (1367), 228 states have return successors, (1364), 1342 states have call predecessors, (1364), 1364 states have call successors, (1364) [2023-11-24 23:21:33,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4079 states to 4079 states and 6079 transitions. [2023-11-24 23:21:33,929 INFO L78 Accepts]: Start accepts. Automaton has 4079 states and 6079 transitions. Word has length 14 [2023-11-24 23:21:33,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:33,930 INFO L495 AbstractCegarLoop]: Abstraction has 4079 states and 6079 transitions. [2023-11-24 23:21:33,930 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 4.333333333333333) internal successors, (13), 2 states have internal predecessors, (13), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:33,930 INFO L276 IsEmpty]: Start isEmpty. Operand 4079 states and 6079 transitions. [2023-11-24 23:21:33,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2023-11-24 23:21:33,941 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:33,941 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:33,941 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2023-11-24 23:21:33,946 INFO L420 AbstractCegarLoop]: === Iteration 2 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:33,946 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:33,947 INFO L85 PathProgramCache]: Analyzing trace with hash 1899443867, now seen corresponding path program 1 times [2023-11-24 23:21:33,947 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:21:33,947 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1170854367] [2023-11-24 23:21:33,947 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:33,948 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:21:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:34,663 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:21:34,663 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:21:34,664 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1170854367] [2023-11-24 23:21:34,664 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1170854367] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:34,664 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:34,664 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:21:34,665 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935543769] [2023-11-24 23:21:34,665 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:34,666 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:21:34,666 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:21:34,667 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:21:34,668 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:21:34,668 INFO L87 Difference]: Start difference. First operand 4079 states and 6079 transitions. Second operand has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:37,575 WARN L539 Checker$ProtectedHtc]: IncrementalHoareTripleChecker took 1.02s for a HTC check with result INVALID. Formula has sorts [Array, Bool, Int], hasArrays=true, hasNonlinArith=false, quantifiers [] [2023-11-24 23:21:38,163 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2023-11-24 23:21:38,164 INFO L93 Difference]: Finished difference Result 4081 states and 6080 transitions. [2023-11-24 23:21:38,165 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2023-11-24 23:21:38,165 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 16 [2023-11-24 23:21:38,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2023-11-24 23:21:38,209 INFO L225 Difference]: With dead ends: 4081 [2023-11-24 23:21:38,209 INFO L226 Difference]: Without dead ends: 4078 [2023-11-24 23:21:38,214 INFO L412 NwaCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:21:38,215 INFO L413 NwaCegarLoop]: 2740 mSDtfsCounter, 3049 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 322 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 3.1s Time, 0 mProtectedPredicate, 0 mProtectedAction, 3049 SdHoareTripleChecker+Valid, 2740 SdHoareTripleChecker+Invalid, 322 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.0s SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 322 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 3.3s IncrementalHoareTripleChecker+Time [2023-11-24 23:21:38,216 INFO L414 NwaCegarLoop]: SdHoareTripleChecker [3049 Valid, 2740 Invalid, 322 Unknown, 0 Unchecked, 0.0s Time], IncrementalHoareTripleChecker [0 Valid, 322 Invalid, 0 Unknown, 0 Unchecked, 3.3s Time] [2023-11-24 23:21:38,226 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4078 states. [2023-11-24 23:21:38,470 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4078 to 4078. [2023-11-24 23:21:38,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4078 states, 2483 states have (on average 1.3479661699556988) internal successors, (3347), 2596 states have internal predecessors, (3347), 1366 states have call successors, (1366), 229 states have call predecessors, (1366), 228 states have return successors, (1364), 1342 states have call predecessors, (1364), 1364 states have call successors, (1364) [2023-11-24 23:21:38,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4078 states to 4078 states and 6077 transitions. [2023-11-24 23:21:38,528 INFO L78 Accepts]: Start accepts. Automaton has 4078 states and 6077 transitions. Word has length 16 [2023-11-24 23:21:38,528 INFO L84 Accepts]: Finished accepts. word is rejected. [2023-11-24 23:21:38,531 INFO L495 AbstractCegarLoop]: Abstraction has 4078 states and 6077 transitions. [2023-11-24 23:21:38,531 INFO L496 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 5.0) internal successors, (15), 2 states have internal predecessors, (15), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2023-11-24 23:21:38,532 INFO L276 IsEmpty]: Start isEmpty. Operand 4078 states and 6077 transitions. [2023-11-24 23:21:38,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2023-11-24 23:21:38,535 INFO L187 NwaCegarLoop]: Found error trace [2023-11-24 23:21:38,535 INFO L195 NwaCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2023-11-24 23:21:38,535 WARN L477 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2023-11-24 23:21:38,536 INFO L420 AbstractCegarLoop]: === Iteration 3 === Targeting ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION === [ldv_errorErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2023-11-24 23:21:38,547 INFO L160 PredicateUnifier]: Initialized classic predicate unifier [2023-11-24 23:21:38,547 INFO L85 PathProgramCache]: Analyzing trace with hash -1247988210, now seen corresponding path program 1 times [2023-11-24 23:21:38,547 INFO L118 FreeRefinementEngine]: Executing refinement strategy SIFA_TAIPAN [2023-11-24 23:21:38,547 INFO L334 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [837767129] [2023-11-24 23:21:38,547 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2023-11-24 23:21:38,548 INFO L127 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2023-11-24 23:21:38,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2023-11-24 23:21:38,994 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2023-11-24 23:21:38,994 INFO L136 FreeRefinementEngine]: Strategy SIFA_TAIPAN found an infeasible trace [2023-11-24 23:21:38,994 INFO L334 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [837767129] [2023-11-24 23:21:38,994 INFO L158 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [837767129] provided 1 perfect and 0 imperfect interpolant sequences [2023-11-24 23:21:38,995 INFO L185 FreeRefinementEngine]: Found 1 perfect and 0 imperfect interpolant sequences. [2023-11-24 23:21:38,995 INFO L198 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2023-11-24 23:21:38,995 INFO L121 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [419382636] [2023-11-24 23:21:38,995 INFO L85 oduleStraightlineAll]: Using 1 perfect interpolants to construct interpolant automaton [2023-11-24 23:21:38,996 INFO L571 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2023-11-24 23:21:38,996 INFO L100 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy SIFA_TAIPAN [2023-11-24 23:21:38,997 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2023-11-24 23:21:38,997 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2023-11-24 23:21:38,998 INFO L87 Difference]: Start difference. First operand 4078 states and 6077 transitions. Second operand has 3 states, 3 states have (on average 5.333333333333333) internal successors, (16), 2 states have internal predecessors, (16), 1 states have call successors, (1), 1 states have call predecessors, (1), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0)